NORTH AMERICAN COl.EOKrERA. IC.'. 



moderately deep strire of rather coarse, closely-placeil ptinflures. the intervals 

 nearly equally convex; pygiiliuni sparsely punctured; Ijody lieneatli coarsely but 

 sparsely punctured, the pectus vei-y slightly hairy. Length .llfi — .4(i inch; 9—10 

 n»m. 



The front claw of the anterior and middle tarsi is deeply cleft at tip, the two 

 portions nearly equal. 



When the color is pale yellow the lens and antennj« are the same, the 

 metasternum being the only portion a little darker in color. When en- 

 tirely black only the stem of the antennae is pale. The thorax has often 

 ;i l;iri;e di.seal piccoiis sj)ae(', which is sdiiu'tiiiies broadlv divided :it it.s 

 middle. 



Occurs most abundantly in the Northern :ind Middle States. 



A. oblivia n. sp. — Oblong, oval, moderately robust; surface (oebly shining 

 with very faint aeneous lustre, general color rufescent, the disc of thorax darker; 

 head rather densely punctured; clypeus short and broad; sides divergent poste- 

 riorly, anterior border narrowly reflexed ; thorax narrowed in front; sides regu- 

 larly arcuate, basal marginal line distinct at the sides, disc convex, rather densely 

 and coarsely punctured; elytra with striis of deep, coarse, closely-placed punc- 

 tures, the intervals nearly equal on the disc, those near the sides more elevated 

 and sub-costiform ; pygidium sparsely punctured; body beneath sparsely punc- 

 tured, and with short hairs on the pectus. Length .34— .44 inch; S.5 — 11 mm. 



The anterior claws of the middle and front tarsi are cleft at tip, very unequally 

 on the front tarsus, and very feebly on the middle. 



This species is less robust in f;icies than either hicicohi or niargltintd. 

 The surface is slightly aeneous, which is never the case in hicicofd, and 

 more opaque, and the thorax more coarsely punctured tluui in either of 

 those mentioned. 



Occurs from Fenn.sylvania to Georgia. 



A. iliarginata Fab. — Oval, robust, pale rufescent, disc of thorax ami head 

 darker; surface with aeneous lustre; bead densely punctured; clypeus short, 

 broader at base, margin narrowly reflexed ; thorax narrower in front ; sides arcuate, 

 base not margined, color brownish, broadly margined at the sides with testaceous; 

 surface coarsely but sparsely punctured; elytra rather deeply striate with coarse, 

 closely-placed punctures, the second stria composed of a double row of punctures, 

 intervalsequally convex ; pygidium densely ruguhiseand pubescent; body beneath 

 sparsely punctured, pectus slightly hairy. Length .44 — .60 inch ; 11 — 1;> mm. 



The front claws of the anterior and middle tarsi are cleft at tip. the two purtions 

 nearly equal. 



This species shows very little variation, nothing beyond the size and a 

 little darkening of the color. 

 Occurs in the Southern States. 



In addition to the above species there is one described b}' Fabricius, 

 and figured by Olivier, which is uucertjiin. Milnlmitlui iiinnhit. Bur- 

 meister considers it a S/)i/i>fii. and s:iys that is a Mexican species. It 



